Home / 5,132.48-7,699.84-1,670.08

Finding the Fourth Proportional to 5,132.48, 7,699.84 and 1,670.08

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Solution

The fourth proportional to 5,132.48, 7,699.84 and 1,670.08 is: 2,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.48 : 7,699.84 = 1,670.08 : x
  2. Step 2: Convert to fraction form
    5,132.48/7,699.84 = 1,670.08/x
  3. Step 3: Cross multiply
    5,132.48x = 7,699.84 × 1,670.08
  4. Step 4: Simplify right side
    5,132.48x = 12,859,348.79
  5. Step 5: Solve for x
    x = 12,859,348.79/5,132.48
  6. Step 6: Final answer
    x = 2,505.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.